Software Engineer (EMS)

United States Digital Space LLC; Greater London; Hybrid; GBP 85,000 - 120,000; Full time

Benefits offered by this job

Medical and dental

Time off + holidays

Parental leave

Ubereats allowance

Onsite gym

Employee support program

Study leave

Job summary

Elwood Technologies is seeking a Software Engineer in London (hybrid) to design, build, and optimise a next‑generation EMS platform across multiple regions. You will work on low-latency, high-throughput systems, ensuring correctness and high availability for global trading customers.

The role requires strong backend experience with Rust and distributed architectures, plus collaboration with product, QA and infra teams. A dynamic fintech environment with modern tooling awaits.

Qualifications

• 3+ years of professional backend engineering experience.
• Hands-on Rust production experience; able to explain design.
• Experience with distributed systems and event-driven architectures.
• Knowledge of multi-tenancy patterns and cloud deployments.
• Familiar with PostgreSQL, Redis and related databases.
• Experience with observability tools (Prometheus, Grafana, ELK).

Responsibilities

• Platform development for a low-latency, multi-region EMS platform.
• Analyse and optimise latency in critical paths.
• Maintain distributed, fault-tolerant systems across regions.
• Implement real-time monitoring, telemetry and alerts.
• Collaborate with product, QA and infra teams for deployments.
• Conduct code reviews to raise team standards.
• Leverage AI coding assistants to accelerate development.

Skills

Rust

Backend development

Distributed systems

Multi-tenant patterns

Cloud platforms

PostgreSQL

Observability tools

Prometheus

Grafana

ELK stack

Tools

Nats

Aeron

Docker

Kubernetes

Job description

Job Title: Software EngineerLocation: London/Hybrid. Type: Full-timeLevel: Mid Level Reports to: Rust Engineering Lead

About Elwood

Elwood Technologies is a FCA regulated firm that provides end-to-end digital asset Execution Management, and Risk Management Software to institutional clients. We are now looking for a Software Engineer to work on our EMS platform within the Engineering Team .

Job Description

We are seeking a highly skilled Software Engineer to join our team responsible for designing, building, and optimising a next-generation multi-region, multi-tenanted Execution Management System (EMS) platform.

The ideal candidate will have experience building concurrent, performance sensitive systems where correctness and high availability are maintained across multiple regions to meet the stringent demands of our global trading customers.

Key Responsibilities

• Platform Development: Design and implement low-latency, high-throughput systems for a multi-region, multi-tenanted EMS platform, ensuring compliance with industry standards.
• Latency Optimisation: Analyse and optimise critical paths in the system to reduce latency and improve performance.
• Distributed Systems: Maintain distributed, fault-tolerant systems with high availability across multiple regions, ensuring data consistency and low-latency communication.
• Monitoring & Observability: Implement real-time monitoring, telemetry and alerting systems for proactive issue detection and resolution.
• Collaboration: Work closely with product, QA and infrastructure teams to align technical solutions with business requirements and ensure seamless deployments.
• Code reviews: Review teammates' code with rigour and help raise the team's collective standard.
• AI-Assisted Development: Use AI coding assistants heavily and critically - catching what they get wrong is part of the job.

Qualifications / Knowledge

• 3+ years professional backend engineering, including concurrent, performance sensitive systems.
• Hands-on production Rust expertise. You should be able to walk through a non-trivial Rust system you built and defend its design. C++ or Go experience is a plus.
• Experience with distributed systems and event-driven architectures (e.g. Nats, Aeron)
• Knowledge of multi-tenancy patterns and best practices.
• Familiarity with cloud platforms (e.g. AWS, GCP, Azure) and tools for multi-region deployments.
• A working knowledge of databases and caches (PostgreSQL, SQLite, Redis, Zookeeper).
• Experience with observability tools (e.g. Prometheus, Grafana, ELK stack).

Soft Skills:

• Strong analytical and problem-solving abilities.
• Excellent communication and collaboration skills, with a track record of working in cross-functional teams.
• Attention to detail and ability to work under pressure in a fast-paced environment.
• Understanding of crypto markets and products (Desirable).
• Experience in leveraging LLMs to accelerate delivery.
• Financial Services experience is desired along with a background in trading/EMS platforms.

What we offer:

• Competitive salary and compensation packages
• Fully paid medical and discounted dental schemes for employees and their family
• Generous time off + bank holidays
• Enhanced parental leave for all employees who have been with the company for one (1) year
• Modern offices with snacks and a weekly Ubereats allowance
• Free onsite gym
• Employee Assistance Programme
• Paid study leave and personal leave

Why Elwood?

• Join a series A FinTech company and help shape the future of finance
• A startup with deep financial backing and a strong market presence
• Our platform is enabling institutional access to the most exciting growth opportunity in Finance
• Work with a modern technology stack and help solve high impact problems
• Strong client focused team with a diverse background
• We’re a Global company and have modern, centrally based offices in London, New York and Singapore.